Unit 2: Biological Bases of Behavior (1)

Dopamine

\________ stimulates the hypothalamus to synthesize hormones and affects alertness and movement.

Serotonin

\________ is associated with sexual activity, concentration and attention, moods, and emotions.

Albinism

\________ arises from a failure to synthesize or store pigment and also involves abnormal nerve pathways to the brain, resulting in quivering eyes and the inability to perceive depth or three- dimensionality with both eyes.

Paul Broca

\________ (1861) performed an autopsy on the brain of a patient, nicknamed Tan, who had lost the capacity to speak, although his mouth and his vocal cords werent damaged and he could still understand language.

Insomnia

\________ is the inability to fall asleep and /or stay asleep.

Psychological dependence

\________ develops when the person has an intense desire to achieve the drugged state in spite of adverse effects.

Electroencephalograms

________ can be recorded with electrodes on the surface of the skull.

Positron emission tomography

________ produces color computer graphics that depend on the amount of metabolic activity in the imaged brain region.

Pons

\________ generates bursts of action potentials to the forebrain, which is activation.

Tolerance

decreasing responsivity to a drug